// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BLOB_INFO_H_
#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BLOB_INFO_H_

#include <stdint.h>

#include <string>

#include "base/callback.h"
#include "base/files/file_path.h"
#include "base/time/time.h"
#include "content/common/content_export.h"
#include "storage/browser/blob/shareable_file_reference.h"

namespace content {

class CONTENT_EXPORT IndexedDBBlobInfo {
public:
    typedef storage::ShareableFileReference::FinalReleaseCallback ReleaseCallback;
    IndexedDBBlobInfo();
    // These two are used for Blobs.
    IndexedDBBlobInfo(const std::string& uuid,
        const base::string16& type,
        int64_t size);
    IndexedDBBlobInfo(const base::string16& type, int64_t size, int64_t key);
    // These two are used for Files.
    IndexedDBBlobInfo(const std::string& uuid,
        const base::FilePath& file_path,
        const base::string16& file_name,
        const base::string16& type);
    IndexedDBBlobInfo(int64_t key,
        const base::string16& type,
        const base::string16& file_name);

    IndexedDBBlobInfo(const IndexedDBBlobInfo& other);
    ~IndexedDBBlobInfo();
    IndexedDBBlobInfo& operator=(const IndexedDBBlobInfo& other);

    bool is_file() const { return is_file_; }
    const std::string& uuid() const { return uuid_; }
    const base::string16& type() const { return type_; }
    int64_t size() const { return size_; }
    const base::string16& file_name() const { return file_name_; }
    int64_t key() const { return key_; }
    const base::FilePath& file_path() const { return file_path_; }
    const base::Time& last_modified() const { return last_modified_; }
    const base::Closure& mark_used_callback() const
    {
        return mark_used_callback_;
    }
    const ReleaseCallback& release_callback() const { return release_callback_; }

    void set_size(int64_t size);
    void set_uuid(const std::string& uuid);
    void set_file_path(const base::FilePath& file_path);
    void set_last_modified(const base::Time& time);
    void set_key(int64_t key);
    void set_mark_used_callback(const base::Closure& mark_used_callback);
    void set_release_callback(const ReleaseCallback& release_callback);

private:
    bool is_file_;
    std::string uuid_; // Always for Blob; sometimes for File.
    base::string16 type_; // Mime type.
    int64_t size_; // -1 if unknown for File.
    base::string16 file_name_; // Only for File.
    base::FilePath file_path_; // Only for File.
    base::Time last_modified_; // Only for File; valid only if size is.

    // Valid only when this comes out of the database.
    int64_t key_;
    base::Closure mark_used_callback_;
    ReleaseCallback release_callback_;
};

} // namespace content

#endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BLOB_INFO_H_
